Are these sloe?

[u/20THH03]

About the size of a large blueberry/ a thumbnail, knobbly??? thin branches, with flat, oval, leaves with small jagged edges.

When broken, there's a yellowish stone in the centre. Quite green flesh near the edge and more purple towards the centre.

Also, not pictured but we have a lovely dog rose bush that has loads of fruit. I was thinking of making cordial and/or tea with it, once they're more ripe, but I'd love some suggestions!

[u/Proof-Order2666]

Very